Figure 1From: Injecting drug use via femoral vein puncture: preliminary findings of a point-of-care ultrasound service for opioid-dependent groin injectors in treatmentVein with minimal damage (grade 1). B-mode image of the left femoral vein (lcfv) and artery (lcfa) in a 30-year old groin injector (case study B). The damage to this vein is minimal (grade 1).Back to article page